Doctor profile · Federal record
Dr. John Leung, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Monterey Park, CA
- NPI 1649214198
- Accepts Medicare
- MIPS 81.4 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
525 N Garfield Avenue, Emergency Department
Monterey Park, CA 91754
(626) 307-2129
fax (626) 307-2056 - Mailing address
-
2100 Powell St, Ste 900
Emeryville, CA 946081844
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- November 5, 2017
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- California #A81012
- Medicaid
- CA #00A810120
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649214198. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,670
Distinct HCPCS
10
Medicare allowed
$153,707
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 439 | 392 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 264 | 192 | $81 | |
99285 |
Emergency department visit with high level of medical decision making | 262 | 256 | $182 | |
99291 |
Critical care, first 30-74 minutes | 164 | 162 | $224 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 134 | 134 | $121 | |
99284 |
Emergency department visit with moderate level of medical decision making | 101 | 99 | $126 | |
71045 |
X-ray of chest, 1 view | 81 | 81 | $9 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 53 | $121 | |
81002 |
Urinalysis, manual test | 45 | 38 | $3 | |
J1885 |
Injection, ketorolac tromethamine, per 15 mg | 31 | 22 | $1 |
In context: peer comparison
Among 4 peers in Monterey Park Emergency Medicine Physician, average services per provider: 112. This provider delivers 15× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Pharmaceuticals, INC | 1 | $17.54 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
106
Patients
106
Total drug cost
$870
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 34 | 34 | $383 |
| Ondansetron Odt (Ondansetron) | Brand | 26 | 26 | $320 |
| Tramadol Hcl | Generic | 22 | 22 | $43 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 13 | $102 |
| Prednisone | Generic | 11 | 11 | $21 |
Frequently asked questions
What is Dr. John Leung's medical specialty?
Dr. John Leung practices Emergency Medicine Physician in Monterey Park, CA.
Where does Dr. John Leung practice?
Dr. John Leung practices at 525 N Garfield Avenue, Monterey Park, CA 91754. Office phone: 6263072129.
What is Dr. John Leung's NPI?
Dr. John Leung's National Provider Identifier (NPI) is 1649214198, issued by NPPES.
Does Dr. John Leung accept Medicare assignment?
Yes. Dr. John Leung accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Leung commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99213); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.